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Re: define ('NL', "<br />"); can I define a constant var ? [message #180186 is a reply to message #180185]

Tue, 22 January 2013 23:51

Jrn Andersen
Messages: 2
Registered: January 2013

Karma:

Junior Member

On Wed, 23 Jan 2013 00:08:49 +0100, Shake
<alex(dot)estevezQUENO(at)QUENOfilnet(dot)es> wrote:

> Dans son message précédent, Jørn Andersen a écrit :
>>
>> A question from someone relatively new to PHP:
>> Why use constants at all?
>> I always use variables - have I missed something?
>
>
> Because variables have 'Scope':
>
> http://php.net/manual/en/language.variables.scope.php
>

Thanks for explaing.
I do understand the basics about scope, so that makes sense - and I
would probably have used constants a bit more if I had been aware that
constants work across scopes ...

Is there any reason why it is better/worse to use constants instead of
global $var in functions?

Best,
Jørn, Copenhagen

--
Jørn Andersen
http://socialister.dk
http://marxisme.dk

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[Message index]

		define ('NL', "<br />"); can I define a constant var ? By: cate on Tue, 22 January 2013 00:06
		Re: define ('NL', "<br />"); can I define a constant var ? By: Adam Harvey on Tue, 22 January 2013 00:44
		Re: define ('NL', "<br />"); can I define a constant var ? By: r.mariotti on Tue, 22 January 2013 02:16
		Re: define ('NL', "<br />"); can I define a constant var ? By: Kim Andr Aker on Tue, 22 January 2013 02:50
		Re: define ('NL', "<br />"); can I define a constant var ? By: denisb on Tue, 22 January 2013 07:17
		Re: define ('NL', "<br />"); can I define a constant var ? By: Arno Welzel on Tue, 22 January 2013 08:39
		Re: define ('NL', "<br />"); can I define a constant var ? By: Luuk on Tue, 22 January 2013 18:43
		Re: define ('NL', "<br />"); can I define a constant var ? By: Tim Streater on Tue, 22 January 2013 18:58
		Re: define ('NL', "<br />"); can I define a constant var ? By: Luuk on Tue, 22 January 2013 19:08
		Re: define ('NL', "<br />"); can I define a constant var ? By: M. Strobel on Wed, 23 January 2013 00:35
		Re: define ('NL', "<br />"); can I define a constant var ? By: Arno Welzel on Wed, 23 January 2013 09:59
		Re: define ('NL', "<br />"); can I define a constant var ? By: The Natural Philosoph on Tue, 22 January 2013 19:40
		Re: define ('NL', "<br />"); can I define a constant var ? By: Arno Welzel on Wed, 23 January 2013 09:55
		Re: define ('NL', "<br />"); can I define a constant var ? By: Jrn Andersen on Tue, 22 January 2013 22:51
		Re: define ('NL', "<br />"); can I define a constant var ? By: Shake on Tue, 22 January 2013 23:08
		Re: define ('NL', "<br />"); can I define a constant var ? By: Jrn Andersen on Tue, 22 January 2013 23:51
		Re: define ('NL', "<br />"); can I define a constant var ? By: Peter H. Coffin on Wed, 23 January 2013 01:03
		Re: define ('NL', "<br />"); can I define a constant var ? By: Shake on Wed, 23 January 2013 02:42
		Re: define ('NL', "<br />"); can I define a constant var ? By: Jerry Stuckle on Wed, 23 January 2013 00:50

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